0bd3b646c6
Starting this container can fail at certbot initialization with this error (reported at the end of /var/log/letsencrypt/letsencrypt.log): HTTPSConnectionPool(host='acme-v02.api.letsencrypt.org', port=443): Max retries exceeded with url: /directory "[Errno -3] Try again" which sounds like a possible DNS resolution problem. However, by logging into the container after the error above, a simple: wget https://acme-v02.api.letsencrypt.org/directory usually works. It works also the exact same certbot command logged in /var/log/letsencrypt/letsencrypt.log. This has been verified happening while installing the contained on a QNAP NAS with a bridged network setup. Turns out that by adding a small delay right before running network access operations (e.g. running certbot) fixes all the issues. Likely a small sleep is good enough for the host/container to properly setup the network stack. Since this happens only at container startup, let's add a one-off 5s sleep right before issuing the first certbot command. Signed-off-by: Patrick Bellasi <patrick.bellasi@matbug.net> |
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